import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  Input,
  Upload,
  Space,
  Select,
  message
} from 'antd'
import { PlusOutlined } from '@ant-design/icons'
import { Link, useSearchParams,useNavigate } from 'react-router-dom'
import './index.scss'
import ReactQuill from 'react-quill'
import 'react-quill/dist/quill.snow.css'
import { useEffect, useState } from 'react'
import { createArticleAPI,getArticleByIdAPI, updateArticleAPI } from '@/apis/article'
import { useChannel } from '@/hooks/useChannel'
const { Option } = Select

const Publish = () => {
  const channelList = useChannel()
  const navigate = useNavigate()
  // 提交表单
  const onFinish = (formValues) =>{
    console.log(formValues)
    if(imageList.length !== imageType) return message.warning("图片类型和提交的图片数量不一致")
    const {title,content,channel_id} = formValues
    //1.按照接口文档的格式处理收集到的表单数据
    const reqData = {
      title,
      content,
      cover:{
        type:imageType,
        // 由于新增和回显之后的图片数据不一致，为了兼容不同的类型
        images:imageList.map(item =>{
          if(item.response){
            return item.response.data.url
          }else{
            return item.url
          }})
      },
      channel_id
    }
    //2.调用接口提交
    // 新增和编辑根据id来判断
    if(articleId){
      // 调用更新接口
      updateArticleAPI({...reqData,id:articleId})
      message.success('编辑成功')
      
    }else{
      // 调用新增接口
      createArticleAPI(reqData)
      message.success('发布成功')
    }
    navigate('/article')
  }
    // 上传回调
  const [imageList,setImageList] = useState([])
  const onChange = (value)=>{
    console.log('正在上传中',value)
    setImageList(value.fileList)
  }
  // 切换图片封面类型]
  const [imageType,setImageType]= useState(0)
  const onTypeChange = (e) =>{
    console.log("切换图片封面了")
    setImageType(e.target.value)
  }
  // 获取Form
  const [form] = Form.useForm();
  // 根据文章id进行数据回显
  const [searchParam] = useSearchParams()
  const articleId = searchParam.get('id')
  console.log(articleId)
  useEffect(()=>{
    //1.通过id获取数据
    async function getArticleDetail(){
      const res = await getArticleByIdAPI(articleId)
      const data = res.data
      const {cover} = data
      // 进行数据回显
      form.setFieldsValue({
        ...data,
        type:cover.type,
      })
      console.log(res)
      setImageType(cover.type)
      setImageList(cover.images.map(url=>{
        return {url:url}
      }))
    }
    // 只有id存在的时候才会调用此函数
    if(articleId){
      getArticleDetail()
    }
  },[articleId,form])
  return (
    <div className="publish">
      <Card
        title={
          <Breadcrumb items={[
            { title: <Link to={'/'}>首页</Link> },
            { title: `${articleId ? '编辑' : '发布'}文章` },
          ]}
          />
        }
      >
        <Form
          labelCol={{ span: 4 }}
          wrapperCol={{ span: 16 }}
          initialValues={{ type: 0 }}
          onFinish={onFinish}
          form={form}
        >
          <Form.Item
            label="标题"
            name="title"
            rules={[{ required: true, message: '请输入文章标题' }]}
          >
            <Input placeholder="请输入文章标题" style={{ width: 400 }} />
          </Form.Item>
          <Form.Item
            label="频道"
            name="channel_id"
            rules={[{ required: true, message: '请选择文章频道' }]}
          >
            <Select placeholder="请选择文章频道" style={{ width: 400 }}>
              {/* 1.根据接口文档在api模块中封装接口函数
                  2.使用useState维护数据
                  3.在useEffect中调用接口获取数据并存入state
                  4.绑定数据到下拉框组件 */}
                {channelList.map(item=><Option key={item.id} value={item.id}>{item.name}</Option>)}
            </Select>
          </Form.Item>
          <Form.Item label="封面">
            <Form.Item name="type">
              <Radio.Group onChange={onTypeChange}>
                <Radio value={1}>单图</Radio>
                <Radio value={3}>三图</Radio>
                <Radio value={0}>无图</Radio>
              </Radio.Group>
            </Form.Item>
            {/* listType:决定选择文件框的外观样式
                showUploadList:控制是否显示上传列表 */}
            {imageType > 0 && <Upload
              listType="picture-card"
              showUploadList
              action={'http://geek.itheima.net/v1_0/upload'}
              name='image'
              onChange={onChange}
              maxCount={imageType}
              fileList={imageList}
            >
              <div style={{ marginTop: 8 }}>
                <PlusOutlined />
              </div>
            </Upload>}
          </Form.Item>
          <Form.Item
            label="内容"
            name="content"
            rules={[{ required: true, message: '请输入文章内容' }]}
          >
             <ReactQuill
              className="publish-quill"
              theme="snow"
              placeholder="请输入文章内容"
              />
          </Form.Item>

          <Form.Item wrapperCol={{ offset: 4 }}>
            <Space>
              <Button size="large" type="primary" htmlType="submit">
                发布文章
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Card>
    </div>
  )
}

export default Publish